以细煤灰为主剂,研制了一种廉价的FD-2型封堵剂。
A cheap FD - 2 plugging agent was prepared with the thin coal ash as main material.
封堵注水井的大孔道是控水稳油的重要措施,封堵剂的选择也越来越重要。
Plugging large pore in water injection well is the most important measures, and choice of plugging agent is getting more important.
针对目前水泥浆封堵炮眼存在的问题,研制开发了不留塞高强度炮眼封堵剂FD-2。
The paper develops embrasure plugging a-gent(FD-2) with high strength according to the present problem that cement plugs embrasure.
从1990年开始,通过反复的摸索和试验,提出并逐渐完善了两种切实可行的治理方法,即封堵剂法和封隔器法。
Since 1990 through repeated tests by trial and error, two feasible control methods, have been raised and gradually perfected, namely method of using plugging agents and that of using packers.
试验结果表明,FD- 2型封堵剂的堵水率高,耐冲刷能力强,并可首先进入渗透率较大的井段,实现选择性堵水。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
方法针对胜利油区稠油开发中出现的注入蒸汽的窜进和生产井水窜的问题,研究适用于热采井封堵汽窜和水窜的HBC981热采封堵剂。
Method To eliminate steam coning and water coning in production Wells of heavy oil reservoirs, Shengli oil province, HBC98 1 plugging agent for thermal production is developed.
岩心流动实验和对弱凝胶在孔隙中运移行为的研究表明,该调驱剂封堵率高,具有良好的选择性,剖面改善效果好。
The results of core flooding experiment and the study of the propagation about the weak gel show that the agent has a high blocking rate and good selection which can modify the water profile well.
针对辽河油田稠油油藏特点,通过发泡性能、泡沫稳定性以及高温下的封堵性能的研究,研制出一种新型的高温防窜化学剂体系FPJ。
Aimed at Liaohe heavy oil reservoirs, a new type of high temperature fleeing proof chemical agent FPJ was developed by the research of foamability, foam stability and sealing characteristic.
在4%膨润土浆中加入2%仿磺化沥青或磺化沥青FT1(对比剂)制成实验浆液,用以测定封堵性和抑制性。
The experimental mud(EM) is prepared by introducing 2% sulfonated asphalt(SA), FT1, as control chemical agent or PSA into 4% bentonite mud and used for evaluating sealing and inhibiting capacities.
而且操作简便,直观性好,可以直接观察堵漏材料在纵剖面、横断面上以及沙层内部的组分分布及封堵效果,便于堵漏剂的优选。
It has a convenient operation and a better visual effect on the distribution and the performance of sealing material on the vertical or horizontal profile so that the optimization become easy.
针对单家寺油田单56块部分油井汽窜严重的实际情况,研制了封堵汽窜调剖剂。
To deal with the serious steam channeling among some oil Wells in Shan 56 block in Shanjiasi oilfield, a new profile control agent for steam channeling plugging was developed.
针对纯发泡剂半衰期较短、对已形成注入水窜流通道的高渗透储层封堵效果较差的实际问题,开展了凝胶泡沫体系的研究。
Since pure foaming agent with short half-value period causes a poor plugging effect for high-permeability reservoir with water channeling, this paper studies on gel foam sysem.
从最佳封堵用量研究得出:堵剂用量越大,高渗带封堵得越彻底,因此波及系数越大,原油采收率越高。
Study on optimum plugging quantity proves that the more plugging agent used, the more complete plugging of high permeable formations, and thus higher sweep efficiency and recovery.
在对浅层套管封堵失效原因深入分析的基础上,在“先建网,再封堵”的思路指导下研制了新型堵剂。
Base on the analysis about the reason of failure plugging, a new type chemical plugging agent was manufactured by the way of "plugging before net-setting".
对调剖剂SW-1的性能进行了评价,结果表明,该调剖剂具有较好的稳定性、封堵性和耐冲刷性。
The result of evaluation on SW-1 performance showed that the profile-controlling agent had good stability, plugging performance, and scouring resistance.
为了能更准确地预测堵剂在油藏中的封堵位置,提出了堵剂突破压力法。
Breakthrough pressure method was presented in order to accurately determine the plugging position of water shutoff agent in oil reservoir.
讨论了GY-1封窜剂的封堵机理,并对其封堵效果及封堵规律进行了室内研究。
The blocking mechanism of GY-1 is discussed and its blocking effects and blocking rules are experimentally studied.
结合具体油藏模型,进行了调剖时机、堵剂用量及封堵位置对调剖效果的影响研究。
Combining idiographic reservoir model, the influence of profile control occasion, quantity of plugging agent, plugging position to profile control effect was studied.
介绍了两种堵剂的配方及聚合物堵剂封堵岩心的能力。
The formulas of the two gels and the core plugging capacity of the polymer gel are presented.
堵漏封窜剂dl 1已在胜利油田滨南油区多口井上用于封堵套管漏失和管外窜槽,效果良好。
This sealing slurry, DL-1, has used at Binnan district of Shengli in a lot of Wells for repairing casing damages with success.
为了封堵中原胡庆油田高压注水井远井地带的高渗层,研制了双液法堵剂LF 1。
A two-component indepth profile modifying agent, LF-1, is prepared for plugging high permeable channellings in further bore zones of high pressure water injection Wells in Huqing, Zhongyuan.
给出了落叶松高温堵剂适用温度范围、封堵强度、封堵率和残余阻力系数的试验结果。
The applied temperature scope, plug intensity, plug rate and coefficient of remains resistance are also given.
应用高温三相泡沫调剖剂实施井组整体调剖后,封堵效果好,成本低。
Local application of high - temperature - resistant foaming triphase profile control agent on Wells - group had perfect effects and the cost was low.
利用界面化学观点,通过理论分析和实验研究,深入探讨了表面活性剂溶液封堵瓦斯的机理;
With the development of interface chemistry, a deep mechanism of surfactant solution blocking gas emission can be got through pure analysis and experiment.
降解引发要素可以是温度或化学反应物,以及任选的加速剂或缓速剂以提供所需的封堵去除时间。
Degradation triggers can be temperature or chemical reactants, with optional accelerators or retarders to provide the desired timing for plug removal.
用新型防塌剂和KLG以及封堵材料复配使用,对破碎地层进行了有效封堵;
A new type shale inhibiter, KLG and sealing agent are used to seal fragile formation so that we can enhance safety density and solve the problem of hole collapse.
结果表明,该堵剂可使水相渗透率下降85%以上,油相渗透率下降25%以下,具有明显的选择性封堵作用及优良的耐冲刷性。
The results showed that, the permeability of water phase decreased 85% at least, the permeability of oil decreased no more than 25%. PDZ-1 has high selective plugging and a nice flushing resistance.
在川东北的河坝1井和河坝2井的应用结果表明,新型承压堵漏剂安全系数高、可操作性强,具有封堵能力强、候凝时间短的特点。
The application of it on Heba1 well and Heba2 well in northeast Sichuan area shows that the new agent has the features of safety, operability, good effect of plugging, short waiting on cement.
现场使用20余口井证明,该堵剂的封堵率达100%,并且在封堵作业中一次成功率在80%以上。
The plugging fluid has been used in over 20 wells, the plugging rate was 100%, and 80% of the wells were successfully plugged in only one operation.
动态性能评价实验包括温度、发泡剂浓度、气液比、渗透率对泡沫封堵能力影响实验。
Dynamic evaluation included the effects of temperature, concentration, nitrogen-liquid ratio and permeability on foaming sealing ability.
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